 Buses were substituted for streetcars on March 29, 1942, and the 33 designation was kept, but the route instead ran southeast from the end of Hamilton Avenue along Prospect Avenue to Prospect Park, and around the south side of the park on a route once followed by the Franklin Avenue Line and Lorimer Street Line, ending east of the park at Prospect Lefferts Gardens, near the then-Ebbets Field.Ridership dropped in 1942 with the discontinuation of the Hamilton Avenue Ferry, and in 1957 with the Brooklyn Dodgers, who played at Ebbets Field, moved to Los Angeles.The route was discontinued on March 29, 1992 as part of a systemwide cuts in bus service due to low ridership.